<template>
  <div>
    <!-- 三级导航 -->
    <TypeNave />
    <!-- 商品 -->
    <!--list-content-->
    <div class="main">
      <div class="py-container">
        <!--bread 面包导航屑-->
        <div class="bread">
          <ul class="fl sui-breadcrumb">
            <li>
              <a href="#">全部结果</a>
            </li>
          </ul>
          <ul class="fl sui-tag">
            <li class="with-x" v-show="searchParams.keyword">
              {{ searchParams.keyword }}<i @click="removeKeyword">x</i>
            </li>
            <li class="with-x" v-show="searchParams.categoryName">
              {{ searchParams.categoryName
              }}<i @click="removeCategoryName">x</i>
            </li>
            <li class="with-x" v-show="trademark">
              {{ trademark }}<i @click="removeTradmark">x</i>
            </li>
            <!-- <li class="with-x" v-for="(prop,index) in propsList" :key="prop">{{prop}}<i @click="removeprop(index)">x</i></li> -->
            <li class="with-x" v-for="(prop,index) in searchParams.props" :key="prop.prop">{{prop | formatProps}}<i @click="removeprop(index)">x</i></li>
          </ul>
        </div>
        <!--selector搜索器-->
        <SearchSelector @get-trademark="saveTrademark"  @get-attrs="saveAttrs"/>
        <!--details商品展示器-->
        <div class="details clearfix">
          <div class="sui-navbar">
            <div class="navbar-inner filter">
              <ul class="sui-nav">
                <li :class="{active:!isPrice}" @click="changeSort(1)">
                  <a href="javascript:;">综合 <span v-show="!isPrice" class="iconfont" :class="isUp ? 'icon-xiangshang' :'icon-paixu'"></span></a>
                </li>
                <li :class="{active:isPrice}" @click="changeSort(2)">
                  <a href="javascript:;">价格<span v-show="isPrice" class="iconfont" :class="isUp ? 'icon-xiangshang' :'icon-paixu'"></span></a>
                </li>
              </ul>
            </div>
          </div>
          <div class="goods-list">
            <ul class="yui3-g">
              <li class="yui3-u-1-5" v-for="goods in goodsList" :key="goods.id">
                <div class="list-wrap">
                  <div class="p-img">
                    <router-link :to="'/detail/'+ goods.id"  
                      ><img v-lazy="goods.defaultImg" 
                    /></router-link>
                  </div>
                  <div class="price">
                    <strong>
                      <em>¥ </em>
                      <i>{{goods.price}}</i>
                    </strong>
                  </div>
                  <div class="attr">
                    <router-link
                      href="item.html"
                      :title="goods.title"
                      :to="'/detail/' + goods.id"
                      >{{goods.title}}
                    </router-link>
                  </div>
                  <div class="commit">
                    <i class="command">已有<span>2000</span>人评价</i>
                  </div>
                  <div class="operate">
                    <a
                      href="success-cart.html"
                      target="_blank"
                      class="sui-btn btn-bordered btn-danger"
                      >加入购物车</a
                    >
                    <a href="javascript:void(0);" class="sui-btn btn-bordered"
                      >收藏</a
                    >
                  </div>
                </div>
              </li>
            </ul>
          </div>
          <!-- 分页器 -->
          <Pagination :total="total" :pageSize="searchParams.pageSize" :continues="3" :pageNo="searchParams.pageNo" @change-pageNo="savepagNo" @get-nextpage="nextPage"></Pagination>
        </div>
      </div>
    </div>
  </div>
</template>

<script>
import { mapActions, mapGetters } from "vuex";
import SearchSelector from "./SearchSelector/Search.vue";
import "./fonts/iconfont.css"
export default {
  name: "Search",
  data() {
    return {
      searchParams: {
        category1Id: "", // 一级分类id
        category2Id: "", // 二级分类id
        category3Id: "", // 三级分类id
        categoryName: "", // 分类名称
        keyword: "", // 搜索框中的关键词
        props: [], // 那些详细的属性 比如: 品牌 运行内存 手机内存 电池容量...
        trademark: "", // 品牌属性
        order: "2:asc", // 排序
        pageNo: 1, // 当前页码
        pageSize: 5, // 每页显示的数量
      },
    };
  },
  components: {
    SearchSelector,
  },
  watch: {
    //监听路由
    $route: {
      //不需要开启尝试监听，因为生成的路由规则对象都是新的
      immediate: true, //开启立即监听，一跳过来就开始监听
      handler(newValue, oldVlue) {
        //处理函数
        console.log(newValue, oldVlue);
        const { query, params } = newValue; //拿到query和params参数
        // 使用Object.assign方式覆盖之前的值
        // 先重置之前的值
        Object.assign(this.searchParams, {
          category1Id: undefined,
          category2Id: undefined,
          category3Id: undefined,
          categoryName: undefined,
          keyword: undefined,
        });

        //最后，用新值重新给对应的id和分类赋值
        Object.assign(this.searchParams, query, params);

        console.log(this.searchParams);
        // 参数一旦发生变化，就重新请求
        // this.getGoodsData(this.searchParams);
      },
    },
    // 监听searchParams参数的变化,只要变化就会重新发送请求(优化代码)
    searchParams:{
      immediate:true,
      deep:true,
      // 只要数据变化，就自动调用handler
      handler(newValue){
         this.getGoodsData(newValue);
      }
    }

  },
  // 计算属性
  computed: {
    ...mapGetters("search", ["goodsList","total"]),
    // 1.品牌名称
    trademark() {
      const { trademark } = this.searchParams;
      return trademark ? trademark.split(":")[1] : "";
    },
    // 2.详情属性
    propsList(){
      return this.searchParams.props.map(item =>{
        const [attrId,attrValue,attrName] = item.split(":")
        return `${attrName}:${attrValue}`
      })
    },
    // 3.判断是否高亮
    isPrice(){
      return this.searchParams.order.split(":")[0] === '2'
    },
    // 4.判断箭头的上下
    isUp(){
       return this.searchParams.order.split(':')[1] === 'asc'
    }
  },
  // 过滤器
  filters:{
    formatProps(originProps){
      let [attrId,attrValue,attrName] = originProps.split(":")
      return `${attrName}:${attrValue}`
    }
  },
  methods: {
    ...mapActions("search", ["getGoodsData"]), //相当于dispatch
    //1.移出面包屑导航的分类名称
    removeCategoryName() {
      // 移出要做哪些操作？
      // 1.面包屑导航名称要删除掉，地址栏的参数对应删除
      // 2.不能发送给服务器，请求参数的searchparams是undefined
      // 3.需要重新用剩余的参数发送请求，路由规则一旦发生变化，会由监视立即监执行
      // 路由规则中的参数有两个，params参数和query参数
      // 移除删除的是query参数,只剩params参数
      const { keyword } = this.$route.params;
      //重新生成路由规则
      this.$router.push({
        name: "search",
        params: { keyword },
      });
    },
    //2.移出搜索关键词，原理一样  删除的是params参数，只剩query参数
    removeKeyword() {
      const { query } = this.$route;
      this.$router.push({
        name: "search",
        query,
      });
      //触发全局事件总线上的事件 清空搜索框
      this.$bus.$emit("remove-keyword");
    },
    //3.点击品牌，收集tardemark数据，显示到面包屑
    saveTrademark(trademark) {
      const { tmId, tmName } = trademark;
      this.searchParams.trademark = `${tmId}:${tmName}`;

      // 根据最新的参数重新搜索数据
      // this.getGoodsData(this.searchParams);
    },
    // 4.移除tardemark品牌数据
    removeTradmark() {
      // axios发送请求时，会将值为undefined的过滤掉
      this.searchParams.trademark = ""

      // 根据剩余的参数重新搜索数据
      // this.getGoodsData(this.searchParams)
    },
    // 5.收集详细信息的数据(数组)
    saveAttrs(prop){
      // props:['2:128G:机身内存','(6:128G:运行内存','9:3000毫安:电池容量']
      if(this.searchParams.props.includes(prop)) return //阻止代码向下进行
      this.searchParams.props.push(prop)

      // 根据最新的参数重新搜索数据
      // this.getGoodsData(this.searchParams);
    },
    // 6.移出详情属性面包屑
    removeprop(index){
      this.searchParams.props.splice(index,1)
       // 根据最新的参数重新搜索数据
      // this.getGoodsData(this.searchParams);
    },
    // 7.切换分页重新发送请求
    savepagNo(pageNo){
      console.log(pageNo);
      console.log( this.searchParams.pageNo);
      this.searchParams.pageNo = pageNo
    },
    // 8.分页的上一页，下一页
    nextPage(next){
      this.searchParams.pageNo = next
    },
    // 9.单击按钮实现高亮
    changeSort(newNum){
      // 判断，如果高亮，点击的那一项修改升降排序，继续高亮。
      // 如果没有高亮，点击的时候需要增加高亮
      // 从参数中解构对应的数据
      //split切割出来是个数组
      const [oldNum,type] = this.searchParams.order.split(":");
      if(newNum == oldNum){
        // 只需要改变箭头即可
        this.searchParams.order = `${oldNum}:${type ==='desc'?'asc':'desc'}`
      }else{
        //点击的时候切换高亮，默认给升箭头
        this.searchParams.order=`${newNum}:asc`
      }
    }

  },
  mounted() {
    // 收集数据  此处收集相关的参数不合适 因为mounted只会执行一次
    // console.log(this.$route)
    // const {query,params} = this.$route
    // console.log('ss',query,params)
  },
};
</script>

<style lang="less" scoped>
.main {
  margin: 10px 0;
  .py-container {
    width: 1200px;
    margin: 0 auto;
    .bread {
      margin-bottom: 5px;
      overflow: hidden;
      .sui-breadcrumb {
        padding: 3px 15px;
        margin: 0;
        font-weight: 400;
        border-radius: 3px;
        float: left;
        li {
          display: inline-block;
          line-height: 18px;
          a {
            color: #666;
            text-decoration: none;
            &:hover {
              color: #4cb9fc;
            }
          }
        }
      }
      .sui-tag {
        margin-top: -5px;
        list-style: none;
        font-size: 0;
        line-height: 0;
        padding: 5px 0 0;
        margin-bottom: 18px;
        float: left;
        .with-x {
          font-size: 12px;
          margin: 0 5px 5px 0;
          display: inline-block;
          overflow: hidden;
          color: #000;
          background: #f7f7f7;
          padding: 0 7px;
          height: 20px;
          line-height: 20px;
          border: 1px solid #dedede;
          white-space: nowrap;
          transition: color 400ms;
          cursor: pointer;
          i {
            margin-left: 10px;
            cursor: pointer;
            font: 400 14px tahoma;
            display: inline-block;
            height: 100%;
            vertical-align: middle;
          }
          &:hover {
            color: #28a3ef;
          }
        }
      }
    }

    .details {
      margin-bottom: 5px;
      .sui-navbar {
        overflow: visible;
        margin-bottom: 0;
        .filter {
          min-height: 40px;
          padding-right: 20px;
          background: #fbfbfb;
          border: 1px solid #e2e2e2;
          padding-left: 0;
          border-radius: 0;
          box-shadow: 0 1px 4px rgba(0, 0, 0, 0.065);
          .sui-nav {
            position: relative;
            left: 0;
            display: block;
            float: left;
            margin: 0 10px 0 0;
            li {
              float: left;
              line-height: 18px;
              a {
                display: block;
                cursor: pointer;
                padding: 11px 15px;
                color: #777;
                text-decoration: none;
              }
              &.active {
                a {
                  background: #e1251b;
                  color: #fff;
                }
              }
            }
          }
        }
      }
      .goods-list {
        margin: 20px 0;
        ul {
          display: flex;
          flex-wrap: wrap;
          li {
            height: 100%;
            width: 20%;
            margin-top: 10px;
            line-height: 28px;
            .list-wrap {
              .p-img {
                padding-left: 15px;
                width: 215px;
                height: 255px;
                a {
                  color: #666;
                  img {
                    max-width: 100%;
                    height: auto;
                    vertical-align: middle;
                  }
                }
              }
              .price {
                padding-left: 15px;
                font-size: 18px;
                color: #c81623;
                strong {
                  font-weight: 700;
                  i {
                    margin-left: -5px;
                  }
                }
              }
              .attr {
                padding-left: 15px;
                width: 85%;
                overflow: hidden;
                margin-bottom: 8px;
                min-height: 38px;
                cursor: pointer;
                line-height: 1.8;
                display: -webkit-box;
                -webkit-box-orient: vertical;
                -webkit-line-clamp: 2;
                a {
                  color: #333;
                  text-decoration: none;
                }
              }
              .commit {
                padding-left: 15px;
                height: 22px;
                font-size: 13px;
                color: #a7a7a7;
                span {
                  font-weight: 700;
                  color: #646fb0;
                }
              }
              .operate {
                padding: 12px 15px;
                .sui-btn {
                  display: inline-block;
                  padding: 2px 14px;
                  box-sizing: border-box;
                  margin-bottom: 0;
                  font-size: 12px;
                  line-height: 18px;
                  text-align: center;
                  vertical-align: middle;
                  cursor: pointer;
                  border-radius: 0;
                  background-color: transparent;
                  margin-right: 15px;
                }
                .btn-bordered {
                  min-width: 85px;
                  background-color: transparent;
                  border: 1px solid #8c8c8c;
                  color: #8c8c8c;
                  &:hover {
                    border: 1px solid #666;
                    color: #fff !important;
                    background-color: #666;
                    text-decoration: none;
                  }
                }
                .btn-danger {
                  border: 1px solid #e1251b;
                  color: #e1251b;
                  &:hover {
                    border: 1px solid #e1251b;
                    background-color: #e1251b;
                    color: white !important;
                    text-decoration: none;
                  }
                }
              }
            }
          }
        }
      }
      .page {
        width: 733px;
        height: 66px;
        overflow: hidden;
        float: right;
        .sui-pagination {
          margin: 18px 0;
          ul {
            margin-left: 0;
            margin-bottom: 0;
            vertical-align: middle;
            width: 490px;
            float: left;
            li {
              line-height: 18px;
              display: inline-block;
              a {
                position: relative;
                float: left;
                line-height: 18px;
                text-decoration: none;
                background-color: #fff;
                border: 1px solid #e0e9ee;
                margin-left: -1px;
                font-size: 14px;
                padding: 9px 18px;
                color: #333;
              }
              &.active {
                a {
                  background-color: #fff;
                  color: #e1251b;
                  border-color: #fff;
                  cursor: default;
                }
              }
              &.prev {
                a {
                  background-color: #fafafa;
                }
              }
              &.disabled {
                a {
                  color: #999;
                  cursor: default;
                }
              }
              &.dotted {
                span {
                  margin-left: -1px;
                  position: relative;
                  float: left;
                  line-height: 18px;
                  text-decoration: none;
                  background-color: #fff;
                  font-size: 14px;
                  border: 0;
                  padding: 9px 18px;
                  color: #333;
                }
              }
              &.next {
                a {
                  background-color: #fafafa;
                }
              }
            }
          }
          div {
            color: #333;
            font-size: 14px;
            float: right;
            width: 241px;
          }
        }
      }
    }
    .hot-sale {
      margin-bottom: 5px;
      border: 1px solid #ddd;
      .title {
        font-weight: 700;
        font-size: 14px;
        line-height: 21px;
        border-bottom: 1px solid #ddd;
        background: #f1f1f1;
        color: #333;
        margin: 0;
        padding: 5px 0 5px 15px;
      }
      .hot-list {
        padding: 15px;
        ul {
          display: flex;
          li {
            width: 25%;
            height: 100%;
            .list-wrap {
              .p-img,
              .price,
              .attr,
              .commit {
                padding-left: 15px;
              }
              .p-img {
                img {
                  max-width: 100%;
                  vertical-align: middle;
                  border: 0;
                }
              }
              .attr {
                width: 85%;
                display: -webkit-box;
                -webkit-box-orient: vertical;
                -webkit-line-clamp: 2;
                overflow: hidden;
                margin-bottom: 8px;
                min-height: 38px;
                cursor: pointer;
                line-height: 1.8;
              }
              .price {
                font-size: 18px;
                color: #c81623;
                strong {
                  font-weight: 700;
                  i {
                    margin-left: -5px;
                  }
                }
              }
              .commit {
                height: 22px;
                font-size: 13px;
                color: #a7a7a7;
              }
            }
          }
        }
      }
    }
  }
}
</style>